/**
 * Created by weijianli on 15/12/11.
 */
(function($){
    function cloudUpload(config){
        this.htmlUp='    <div class="uploader-xx-cloud" style="display: none;position: fixed;top: 70px;right: 5px;width: 400px;padding: 5px;background-color: #efefef;transition-duration: 0.4s;">'+
            '<div class="tit" style="line-height: 2;font-size: 18px;text-align: center;border-bottom: 1px solid #cecede;">'+
        '文件上传中'+
        ' </div>'+
         '<style>' +
        '.uploader-xx-cloud li{position: relative;width: 100%;list-style: none; border-bottom: 1px solid #ccc;}' +
        '.uploader-xx-cloud li>div{position: absolute;height: 100%;top: 0;left: 0;background-color: rgba(55,170,142,.4);}' +
        '</style>'+
        ' <ul style="list-style: none;padding: 0;margin: 0; line-height: 40px;">'
        ;


        this.htmlDown='</ul>'+
        '<input class="file-input" type="file" style="display: none"  multiple>'+
        '</div>';
        this.config = {
            askUrl:'/api/getUpToken',
            onOneSuccess:function(info){

            }
        };
        this.fileList = [];
        this.uploadingList = [];
        this.workingFlag = false;
        this.uploadingBox = null;

        this.config = $.extend(this.config,config);
        $("body").append(this.htmlUp+this.htmlDown);
        this.uploadingBox = $(".uploader-xx-cloud ul");
        var this_ = this;
        $(".uploader-xx-cloud .file-input").change(function(event){
            if(event.currentTarget.files && event.currentTarget.files.length>0){
                for(var ind= 0; ind < event.currentTarget.files.length;ind++){
                    this_.fileList.push(event.currentTarget.files[ind]);
                    this_.uploadingList.push({
                        name:event.currentTarget.files[ind].name,
                        size:event.currentTarget.files[ind].size,
                        process:0
                    });
                }
                this_.renderList();
                $(".uploader-xx-cloud").fadeIn();
                if(!this_.workingFlag){
                    this_.beginUploading();
                }
            }
        });

    }

    //cloudUpload.prototype.init = function(){
    //
    //};

    cloudUpload.prototype.renderList = function(){
        var html_ = '';
        for(var cnt in this.uploadingList){
            html_ += ' <li class="f-toe">'+this.uploadingList[cnt].name+
                '<div class="process" style="width: '+this.uploadingList[cnt].process+'"></div>'+
                '</li>';
        }
        this.uploadingBox.html(html_);
    };

    cloudUpload.prototype.beginUploading = function(){
        this.workingFlag = true;
        var this_ = this;
        var tmp = this.uploadingList[0].name.split('.');
        var fileName = this.md5(this.uploadingList[0].name)+'.'+tmp[tmp.length-1];

        $.post(this.config.askUrl,{
            pageData: JSON.stringify({
                fun: 'getToken',
                fileName: fileName
            })
        },function(data){
            //console.log(data);
            if(data.err){
                alert(data.msg);
            }else{
                this_.uploadingList[0].id = data.id;
                this_.Qiniu_upload(this_.fileList[0], data.token, data.key);
            }
        });

    };
    cloudUpload.prototype.Qiniu_upload = function(f, token, key){
        var this_ = this;
        var xhr = new XMLHttpRequest();
        xhr.open('POST', "http://upload.qiniu.com", true);
        var formData;
        formData = new FormData();
        if (key !== null && key !== undefined) formData.append('key', key);
        formData.append('token', token);
        formData.append('file', f);
        var taking;
        xhr.upload.addEventListener("progress", function(evt) {
            if (evt.lengthComputable) {
                var percentComplete = Math.round(evt.loaded * 100 / evt.total);
                this_.uploadingList[0].process = percentComplete+'%';
                this_.renderList();
            }
        }, false);
        xhr.onreadystatechange = function(response) {
            if (xhr.readyState == 4 && xhr.status == 200 && xhr.responseText != "") {
                var blkRet = JSON.parse(xhr.responseText);
                //console && console.log(blkRet);
                $.post(this_.config.askUrl,{
                    pageData:JSON.stringify({
                        fun:'upOneDown',
                        backInfo:{
                            hash:blkRet.hash,
                            size:this_.uploadingList[0].size,
                            id:this_.uploadingList[0].id
                        }
                    })
                },function(data){
                    //console.log(data);
                    if(data.err){
                        alert(data.msg);
                    }else{
                        this_.config.onOneSuccess(data);
                        this_.judgeUploadNextOne();
                    }

                });
            } else if (xhr.status != 200 && xhr.responseText) {

            }
        };
        xhr.send(formData);
    };

    cloudUpload.prototype.judgeUploadNextOne = function(){
        var this_ = this;
        this.fileList.shift();
        this.uploadingList.shift();
        if(this.fileList.length>0){
            this.beginUploading();
        }else{
            this.workingFlag = false;
            $(".uploader-xx-cloud").fadeOut();
            alert("上传完毕！");
        }
    };

    cloudUpload.prototype.start = function(){
        $(".uploader-xx-cloud .file-input").trigger('click');
    };

    cloudUpload.prototype.md5 = function (string) {

        function RotateLeft(lValue, iShiftBits) {
            return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits));
        }

        function AddUnsigned(lX,lY) {
            var lX4,lY4,lX8,lY8,lResult;
            lX8 = (lX & 0x80000000);
            lY8 = (lY & 0x80000000);
            lX4 = (lX & 0x40000000);
            lY4 = (lY & 0x40000000);
            lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF);
            if (lX4 & lY4) {
                return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
            }
            if (lX4 | lY4) {
                if (lResult & 0x40000000) {
                    return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
                } else {
                    return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
                }
            } else {
                return (lResult ^ lX8 ^ lY8);
            }
        }

        function F(x,y,z) { return (x & y) | ((~x) & z); }
        function G(x,y,z) { return (x & z) | (y & (~z)); }
        function H(x,y,z) { return (x ^ y ^ z); }
        function I(x,y,z) { return (y ^ (x | (~z))); }

        function FF(a,b,c,d,x,s,ac) {
            a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
            return AddUnsigned(RotateLeft(a, s), b);
        };

        function GG(a,b,c,d,x,s,ac) {
            a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
            return AddUnsigned(RotateLeft(a, s), b);
        };

        function HH(a,b,c,d,x,s,ac) {
            a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
            return AddUnsigned(RotateLeft(a, s), b);
        };

        function II(a,b,c,d,x,s,ac) {
            a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
            return AddUnsigned(RotateLeft(a, s), b);
        };

        function ConvertToWordArray(string) {
            var lWordCount;
            var lMessageLength = string.length;
            var lNumberOfWords_temp1=lMessageLength + 8;
            var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64;
            var lNumberOfWords = (lNumberOfWords_temp2+1)*16;
            var lWordArray=Array(lNumberOfWords-1);
            var lBytePosition = 0;
            var lByteCount = 0;
            while ( lByteCount < lMessageLength ) {
                lWordCount = (lByteCount-(lByteCount % 4))/4;
                lBytePosition = (lByteCount % 4)*8;
                lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount)<<lBytePosition));
                lByteCount++;
            }
            lWordCount = (lByteCount-(lByteCount % 4))/4;
            lBytePosition = (lByteCount % 4)*8;
            lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80<<lBytePosition);
            lWordArray[lNumberOfWords-2] = lMessageLength<<3;
            lWordArray[lNumberOfWords-1] = lMessageLength>>>29;
            return lWordArray;
        };

        function WordToHex(lValue) {
            var WordToHexValue="",WordToHexValue_temp="",lByte,lCount;
            for (lCount = 0;lCount<=3;lCount++) {
                lByte = (lValue>>>(lCount*8)) & 255;
                WordToHexValue_temp = "0" + lByte.toString(16);
                WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2);
            }
            return WordToHexValue;
        };

        function Utf8Encode(string) {
            string = string.replace(/\r\n/g,"\n");
            var utftext = "";

            for (var n = 0; n < string.length; n++) {

                var c = string.charCodeAt(n);

                if (c < 128) {
                    utftext += String.fromCharCode(c);
                }
                else if((c > 127) && (c < 2048)) {
                    utftext += String.fromCharCode((c >> 6) | 192);
                    utftext += String.fromCharCode((c & 63) | 128);
                }
                else {
                    utftext += String.fromCharCode((c >> 12) | 224);
                    utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                    utftext += String.fromCharCode((c & 63) | 128);
                }

            }

            return utftext;
        };

        var x=Array();
        var k,AA,BB,CC,DD,a,b,c,d;
        var S11=7, S12=12, S13=17, S14=22;
        var S21=5, S22=9 , S23=14, S24=20;
        var S31=4, S32=11, S33=16, S34=23;
        var S41=6, S42=10, S43=15, S44=21;

        string = Utf8Encode(string);

        x = ConvertToWordArray(string);

        a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476;

        for (k=0;k<x.length;k+=16) {
            AA=a; BB=b; CC=c; DD=d;
            a=FF(a,b,c,d,x[k+0], S11,0xD76AA478);
            d=FF(d,a,b,c,x[k+1], S12,0xE8C7B756);
            c=FF(c,d,a,b,x[k+2], S13,0x242070DB);
            b=FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE);
            a=FF(a,b,c,d,x[k+4], S11,0xF57C0FAF);
            d=FF(d,a,b,c,x[k+5], S12,0x4787C62A);
            c=FF(c,d,a,b,x[k+6], S13,0xA8304613);
            b=FF(b,c,d,a,x[k+7], S14,0xFD469501);
            a=FF(a,b,c,d,x[k+8], S11,0x698098D8);
            d=FF(d,a,b,c,x[k+9], S12,0x8B44F7AF);
            c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1);
            b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE);
            a=FF(a,b,c,d,x[k+12],S11,0x6B901122);
            d=FF(d,a,b,c,x[k+13],S12,0xFD987193);
            c=FF(c,d,a,b,x[k+14],S13,0xA679438E);
            b=FF(b,c,d,a,x[k+15],S14,0x49B40821);
            a=GG(a,b,c,d,x[k+1], S21,0xF61E2562);
            d=GG(d,a,b,c,x[k+6], S22,0xC040B340);
            c=GG(c,d,a,b,x[k+11],S23,0x265E5A51);
            b=GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA);
            a=GG(a,b,c,d,x[k+5], S21,0xD62F105D);
            d=GG(d,a,b,c,x[k+10],S22,0x2441453);
            c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681);
            b=GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8);
            a=GG(a,b,c,d,x[k+9], S21,0x21E1CDE6);
            d=GG(d,a,b,c,x[k+14],S22,0xC33707D6);
            c=GG(c,d,a,b,x[k+3], S23,0xF4D50D87);
            b=GG(b,c,d,a,x[k+8], S24,0x455A14ED);
            a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905);
            d=GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8);
            c=GG(c,d,a,b,x[k+7], S23,0x676F02D9);
            b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A);
            a=HH(a,b,c,d,x[k+5], S31,0xFFFA3942);
            d=HH(d,a,b,c,x[k+8], S32,0x8771F681);
            c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122);
            b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C);
            a=HH(a,b,c,d,x[k+1], S31,0xA4BEEA44);
            d=HH(d,a,b,c,x[k+4], S32,0x4BDECFA9);
            c=HH(c,d,a,b,x[k+7], S33,0xF6BB4B60);
            b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70);
            a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6);
            d=HH(d,a,b,c,x[k+0], S32,0xEAA127FA);
            c=HH(c,d,a,b,x[k+3], S33,0xD4EF3085);
            b=HH(b,c,d,a,x[k+6], S34,0x4881D05);
            a=HH(a,b,c,d,x[k+9], S31,0xD9D4D039);
            d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5);
            c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8);
            b=HH(b,c,d,a,x[k+2], S34,0xC4AC5665);
            a=II(a,b,c,d,x[k+0], S41,0xF4292244);
            d=II(d,a,b,c,x[k+7], S42,0x432AFF97);
            c=II(c,d,a,b,x[k+14],S43,0xAB9423A7);
            b=II(b,c,d,a,x[k+5], S44,0xFC93A039);
            a=II(a,b,c,d,x[k+12],S41,0x655B59C3);
            d=II(d,a,b,c,x[k+3], S42,0x8F0CCC92);
            c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D);
            b=II(b,c,d,a,x[k+1], S44,0x85845DD1);
            a=II(a,b,c,d,x[k+8], S41,0x6FA87E4F);
            d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0);
            c=II(c,d,a,b,x[k+6], S43,0xA3014314);
            b=II(b,c,d,a,x[k+13],S44,0x4E0811A1);
            a=II(a,b,c,d,x[k+4], S41,0xF7537E82);
            d=II(d,a,b,c,x[k+11],S42,0xBD3AF235);
            c=II(c,d,a,b,x[k+2], S43,0x2AD7D2BB);
            b=II(b,c,d,a,x[k+9], S44,0xEB86D391);
            a=AddUnsigned(a,AA);
            b=AddUnsigned(b,BB);
            c=AddUnsigned(c,CC);
            d=AddUnsigned(d,DD);
        }

        var temp = WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d);

        return temp.toLowerCase();
    };


    $.fn.extend({
        cloudUploader:function(c){
              return new cloudUpload(c);
        }
    })
})(jQuery);